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idles forever, but refuses to rev

mootch

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anglesey
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honda tourer cdti
Hi folks, I have a problem. ?.... I recently bought an 04 diesel tourer, it was a cat d write off, tiny bit of damage to wing!!. Now I think it had probably sat around for a few months waiting to be sold etc, so this may have a bearing on the fault. Anyway, picked it up where it started pretty much first time, drove onto a trailer and home. After sorting the wing I ran it in the drive where it ran out of fuel, put a jerry can in and after reading on here decided to put a new ff on, original bosch from the dealer(45 quid!!!). Not bad job, bled 2 or three times, started first spin, so went for a drive where it ran great for 200 yards then coughed and went totally flat(limp mode) .have bled a few times now and it always starts first kick, but, when i put it under load to reverse up the drive it dies all the time, put a code reader on it got ,2008, 1065, and 1058. I have read 1065 points to ff and fuel rail pressure, not sure of the others. I am a bit stumped now so just wondered if anybody could shed any light or give me a few ideas etc. Many thanks in anticipation. Mike
 
Hi Mike,

Do a search on all forums on 'P1059' and you'll find my threads about my fuel pump solenoid failing, but this is rare.

P2008 relates to the IMRC and P1065 relates to low fuel pressure. Delete all codes and sees what comes back, as those codes may have been stored for some time and may not relate to current problems. Please let us know which code(s) come back.
 
If it's been stood for ages then the diesel has probably degraded.. Do the fuel filter and prime it a few times first to get all the rubbish out of the lines..

Could also be a jammed egr valve.
 
Right.....I decided to put the battery on charge overnight to eliminate any low voltage problems.
I then cleared the codes and while I was under the bonnet gave the bleed pump a couple of squeezes, it was fairly solid so 2 pumps were all that was needed. Spun the engine which fired instantly, gave a rev and it sounded good, so I backed out of the drive no problem at all, no hesitation and no dying on clutch bite,(load). I drove the car around the block, say 200 metres where it ran great and I thought I had cracked it, on the second run it all came back, jumping, kangarooing, typical fuel starvation I thought, so put it back on drive, I tried to reverse off again but on letting the clutch out the engine just bogs down and dies. Checked for codes and all clear , no codes on the scanner, not sure where to go now, any ideas guys !!
mike
 
Fahad's stuck EGR valve suggestion is something that would be easy for you to check and, if necessary, remedy. I would suggest it might also be the fuel pump solenoid that controls the fuel pressure playing up, but it's little more than an educated guess... I actually think you need to take the car to someone who can connect a Honda Diagnostic System (HDS) to it, as this will look at all engine operating parameters in real time, compare to specification, and then accurately pinpoint exactly which of them failing.
 
Thanks jon, I think that you maybe right, unfortunately it wont drive, will try and look at a few other things I guess.
 
Try taking the egr off and cleaning it as best you can.. Can you also check that you are getting good flow of fuel to and from the filter
 
I still have this problem and have searched for air leaks to no avail, I was thinking of putting in a small piece of pipe to eliminate the ff and connection's, just wondering if this will cause an over pressure at the fuel rail or cause any damage to any sensor's etc, do you think it would be ok ?. Cheers mike.
 
Can you put a small piece of metal sheet to block the egr valve temporarily and see if this helps. It will throw up an error but will help eliminate the egr as a possible cause.
 
Where exactly were you thinking of putting in the piece of pipe you mentioned?

There's not much you could do to over-pressurise the fuel rail... a sensor on it informs the ECU of the rail pressure, the ECU compares this to what it needs and then instructs a solenoid in the fuel pump to throttle the incoming diesel feed appropriately, so a 'closed-loop' control system. And, if the ECU cannot properly control the rail pressure for some reason, it flags either a P0087 DTC (rail pressure low) or P0088 DTC (rail pressure high). Pretty failsafe, really.
 
Was thinking of putting the pipe from fuel filter inlet to outlet pipes, to act as a bypass.
 
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